London, the capital of England and the United Kingdom, is a 21st-century city with history stretching back to Roman times. At its centre stand the imposing Houses of Parliament, the iconic ‘Big Ben’ clock tower and Westminster Abbey, site of British monarch coronations. Across the Thames River, the London Eye observation wheel provides panoramic views of the South Bank cultural complex, and the entire city.

Vigo is a city on Spain’s northwest coast. The mouth of the nearby Vigo Estuary is sheltered by the Cíes Islands, which form part of the Atlantic Islands National Park. The Cíes are known for their rich birdlife and crescent-shaped Rodas Beach. The city’s old quarter is home to the neoclassical Church of Santa María. The Castro de Vigo archaeological site has reconstructed ancient dwellings.

Casablanca is a port city and commercial hub in western Morocco, fronting the Atlantic Ocean. The city’s French colonial legacy is seen in its downtown Mauresque architecture, a blend of Moorish style and European art deco. Standing partly over the water, the enormous Hassan II Mosque, completed in 1993, has a 210m minaret topped with lasers directed toward Mecca.

Arrecife is a port city on the east coast of Lanzarote, one of Spain’s Canary Islands. In the old quarter, the 17th-century San Ginés Church has a bell tower and a Mudéjar-style ceiling. The Agustín De La Hoz mansion now houses a cultural center. Playa del Reducto beach has golden sand and calm waters. The International Museum of Contemporary Art displays abstract works in San José Castle, an 18th-century fortress.